<template>
    <div>
        <div class="user-info-head" @click="editCropper()">
            <img :src="options.img" title="点击上传头像" class="img-circle img-lg" />
        </div>
        <el-dialog
            v-model="open"
            :title="title"
            width="800px"
            append-to-body
            @opened="modalOpened"
            @close="closeDialog"
        >
            <el-row>
                <el-col :xs="24" :md="12" :style="{ height: '350px' }">
                    <vue-cropper
                        v-if="visible"
                        ref="cropper"
                        :img="options.img"
                        :info="true"
                        :autoCrop="options.autoCrop"
                        :autoCropWidth="options.autoCropWidth"
                        :autoCropHeight="options.autoCropHeight"
                        :fixedBox="options.fixedBox"
                        :outputType="options.outputType"
                        @realTime="realTime"
                    />
                </el-col>
                <el-col :xs="24" :md="12" :style="{ height: '350px' }">
                    <div class="avatar-upload-preview">
                        <img :src="options.previews.url" :style="options.previews.img" />
                    </div>
                </el-col>
            </el-row>
            <br />
            <el-row>
                <el-col :lg="2" :md="2">
                    <el-upload
                        action="#"
                        :http-request="requestUpload"
                        :show-file-list="false"
                        :before-upload="beforeUpload"
                    >
                        <el-button>
                            选择
                            <el-icon class="el-icon--right"><Upload /></el-icon>
                        </el-button>
                    </el-upload>
                </el-col>
                <el-col :lg="{ span: 1, offset: 2 }" :md="2">
                    <el-button icon="Plus" @click="changeScale(1)"></el-button>
                </el-col>
                <el-col :lg="{ span: 1, offset: 1 }" :md="2">
                    <el-button icon="Minus" @click="changeScale(-1)"></el-button>
                </el-col>
                <el-col :lg="{ span: 1, offset: 1 }" :md="2">
                    <el-button icon="RefreshLeft" @click="rotateLeft()"></el-button>
                </el-col>
                <el-col :lg="{ span: 1, offset: 1 }" :md="2">
                    <el-button icon="RefreshRight" @click="rotateRight()"></el-button>
                </el-col>
                <el-col :lg="{ span: 2, offset: 6 }" :md="2">
                    <el-button type="primary" @click="uploadImg()">提 交</el-button>
                </el-col>
            </el-row>
        </el-dialog>
    </div>
</template>

<script setup lang="ts">
import 'vue-cropper/dist/index.css';
import { VueCropper } from 'vue-cropper';
import { uploadAvatar } from '@/api/system/user';
import useUserStore from '@/store/modules/user';
import { getCurrentInstance, ComponentInternalInstance, ref, reactive } from 'vue';

const userStore = useUserStore();
const { proxy } = getCurrentInstance() as ComponentInternalInstance;

const open = ref(false);
const visible = ref(false);
const title = ref('修改头像');

//图片裁剪数据
const options = reactive<{
    img: any; // 裁剪图片的地址
    autoCrop: boolean; // 是否默认生成截图框
    autoCropWidth: number; // 默认生成截图框宽度
    autoCropHeight: number; // 默认生成截图框高度
    fixedBox: boolean; // 固定截图框大小 不允许改变
    outputType: string; // 默认生成截图为PNG格式
    previews: any; //预览数据
    visible: boolean;
}>({
    img: userStore.avatar, // 裁剪图片的地址
    autoCrop: true, // 是否默认生成截图框
    autoCropWidth: 200, // 默认生成截图框宽度
    autoCropHeight: 200, // 默认生成截图框高度
    fixedBox: true, // 固定截图框大小 不允许改变
    outputType: 'png', // 默认生成截图为PNG格式
    previews: {}, //预览数据
    visible: false,
});

/** 编辑头像 */
function editCropper() {
    open.value = true;
}
/** 打开弹出层结束时的回调 */
function modalOpened() {
    visible.value = true;
}
/** 覆盖默认上传行为 */
function requestUpload() {
    console.log('覆盖默认上传行为');
}
/** 向左旋转 */
function rotateLeft() {
    (proxy?.$refs.cropper as any).rotateLeft();
}
/** 向右旋转 */
function rotateRight() {
    (proxy?.$refs.cropper as any).rotateRight();
}
/** 图片缩放 */
function changeScale(num: number) {
    num = num || 1;
    (proxy?.$refs.cropper as any).changeScale(num);
}
/** 上传预处理 */
function beforeUpload(file: any) {
    if (file.type.indexOf('image/') === -1) {
        proxy!.$modal.msgError('文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。');
    } else {
        const reader = new FileReader();
        reader.readAsDataURL(file);
        reader.onload = () => {
            options.img = reader.result;
        };
    }
}
/** 上传图片 */
function uploadImg() {
    (proxy?.$refs.cropper as any).getCropBlob((data: any) => {
        let formData = new FormData();
        formData.append('avatarfile', data);
        uploadAvatar(formData).then((response: any) => {
            open.value = false;
            options.img = import.meta.env.VITE_APP_BASE_API + response.imgUrl;
            userStore.avatar = options.img;
            proxy!.$modal.msgSuccess('修改成功');
            visible.value = false;
        });
    });
}
/** 实时预览 */
function realTime(data: any) {
    options.previews = data;
}
/** 关闭窗口 */
function closeDialog() {
    options.img = userStore.avatar;
    options.visible = false;
}
</script>

<style lang="scss" scoped>
.user-info-head {
    position: relative;
    display: inline-block;
    height: 120px;
}

.user-info-head:hover:after {
    content: '+';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    color: #eee;
    background: rgba(0, 0, 0, 0.5);
    font-size: 24px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    cursor: pointer;
    line-height: 110px;
    border-radius: 50%;
}
</style>
